Science Ch.21.3 Flashcards
1
Q
cardiac muscle
A
found only in the walls of the heart.
2
Q
muscle fiber
A
also known as muscle cells
3
Q
muscular system
A
consists of all the muscles of the body
4
Q
skeletal muscle
A
muscle tissue that is attached to the bone
5
Q
sliding filament theory
A
most widely accepted theory explaining how muscle fibers contract
6
Q
smooth muscle
A
the muscle tissue in the walls of internal organs such as the stomach and intestines.
7
Q
tendon
A
fibrous connective tissue that attaches muscle to the bone
